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Added dummy window to peek into WGL features.

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This commit is contained in:
bkaradzic 2013-02-23 00:15:54 -08:00
parent 6edd2991f3
commit 074bf5a232
4 changed files with 100 additions and 64 deletions
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137
src/glcontext_wgl.cpp
View file

@ -24,6 +24,51 @@ namespace bgfx
# include "glimports.h"
# undef GL_IMPORT
static HGLRC createContext(HDC _hdc)
{
PIXELFORMATDESCRIPTOR pfd;
memset(&pfd, 0, sizeof(pfd) );
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 32;
pfd.cAlphaBits = 8;
pfd.cDepthBits = 24;
pfd.cStencilBits = 8;
pfd.iLayerType = PFD_MAIN_PLANE;
int pixelFormat = ChoosePixelFormat(_hdc, &pfd);
BGFX_FATAL(0 != pixelFormat, Fatal::UnableToInitialize, "ChoosePixelFormat failed!");
DescribePixelFormat(_hdc, pixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
BX_TRACE("Pixel format:\n"
"\tiPixelType %d\n"
"\tcColorBits %d\n"
"\tcAlphaBits %d\n"
"\tcDepthBits %d\n"
"\tcStencilBits %d\n"
, pfd.iPixelType
, pfd.cColorBits
, pfd.cAlphaBits
, pfd.cDepthBits
, pfd.cStencilBits
);
int result;
result = SetPixelFormat(_hdc, pixelFormat, &pfd);
BGFX_FATAL(0 != result, Fatal::UnableToInitialize, "SetPixelFormat failed!");
HGLRC context = wglCreateContext(_hdc);
BGFX_FATAL(NULL != context, Fatal::UnableToInitialize, "wglCreateContext failed!");
result = wglMakeCurrent(_hdc, context);
BGFX_FATAL(0 != result, Fatal::UnableToInitialize, "wglMakeCurrent failed!");
return context;
}
void GlContext::create(uint32_t _width, uint32_t _height)
{
m_opengl32dll = LoadLibrary("opengl32.dll");
@ -44,44 +89,28 @@ namespace bgfx
m_hdc = GetDC(g_bgfxHwnd);
BGFX_FATAL(NULL != m_hdc, Fatal::UnableToInitialize, "GetDC failed!");
PIXELFORMATDESCRIPTOR pfd;
memset(&pfd, 0, sizeof(pfd) );
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 32;
pfd.cAlphaBits = 8;
pfd.cDepthBits = 24;
pfd.cStencilBits = 8;
pfd.iLayerType = PFD_MAIN_PLANE;
int pixelFormat = ChoosePixelFormat(m_hdc, &pfd);
BGFX_FATAL(0 != pixelFormat, Fatal::UnableToInitialize, "ChoosePixelFormat failed!");
DescribePixelFormat(m_hdc, pixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
BX_TRACE("Pixel format:\n"
"\tiPixelType %d\n"
"\tcColorBits %d\n"
"\tcAlphaBits %d\n"
"\tcDepthBits %d\n"
"\tcStencilBits %d\n"
, pfd.iPixelType
, pfd.cColorBits
, pfd.cAlphaBits
, pfd.cDepthBits
, pfd.cStencilBits
// Dummy window to peek into WGL functionality.
//
// An application can only set the pixel format of a window one time.
// Once a window's pixel format is set, it cannot be changed.
// MSDN: http://msdn.microsoft.com/en-us/library/windows/desktop/dd369049%28v=vs.85%29.aspx
HWND hwnd = CreateWindowA("STATIC"
, ""
, WS_POPUP|WS_DISABLED
, -32000
, -32000
, 0
, 0
, NULL
, NULL
, GetModuleHandle(NULL)
, 0
);
int result;
result = SetPixelFormat(m_hdc, pixelFormat, &pfd);
BGFX_FATAL(0 != result, Fatal::UnableToInitialize, "SetPixelFormat failed!");
HDC hdc = GetDC(hwnd);
BGFX_FATAL(NULL != hdc, Fatal::UnableToInitialize, "GetDC failed!");
m_context = wglCreateContext(m_hdc);
BGFX_FATAL(NULL != m_context, Fatal::UnableToInitialize, "wglCreateContext failed!");
result = wglMakeCurrent(m_hdc, m_context);
BGFX_FATAL(0 != result, Fatal::UnableToInitialize, "wglMakeCurrent failed!");
HGLRC context = createContext(hdc);
wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
wglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
@ -90,7 +119,7 @@ namespace bgfx
if (NULL != wglGetExtensionsStringARB)
{
BX_TRACE("WGL extensions:");
const char* extensions = (const char*)wglGetExtensionsStringARB(m_hdc);
const char* extensions = (const char*)wglGetExtensionsStringARB(hdc);
if (NULL != extensions)
{
char name[1024];
@ -119,10 +148,6 @@ namespace bgfx
}
}
#if 0
// An application can only set the pixel format of a window one time.
// Once a window's pixel format is set, it cannot be changed.
// MSDN: http://msdn.microsoft.com/en-us/library/windows/desktop/dd369049%28v=vs.85%29.aspx
if (NULL != wglChoosePixelFormatARB
&& NULL != wglCreateContextAttribsARB)
{
@ -134,15 +159,14 @@ namespace bgfx
WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB,
WGL_DRAW_TO_WINDOW_ARB, true,
WGL_DOUBLE_BUFFER_ARB, true,
WGL_RED_BITS_ARB, 8,
WGL_BLUE_BITS_ARB, 8,
WGL_GREEN_BITS_ARB, 8,
WGL_ALPHA_BITS_ARB, 8,
WGL_COLOR_BITS_ARB, 32,
WGL_DEPTH_BITS_ARB, 24,
WGL_STENCIL_BITS_ARB, 8,
0
};
int result;
int pixelFormat;
uint32_t numFormats = 0;
do
{
@ -156,6 +180,7 @@ namespace bgfx
} while (0 == numFormats);
PIXELFORMATDESCRIPTOR pfd;
DescribePixelFormat(m_hdc, pixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
BX_TRACE("Pixel format:\n"
@ -174,13 +199,16 @@ namespace bgfx
result = SetPixelFormat(m_hdc, pixelFormat, &pfd);
BGFX_FATAL(0 != result, Fatal::UnableToInitialize, "SetPixelFormat failed (last err: 0x%08x)!", GetLastError() );
wglMakeCurrent(m_hdc, NULL);
wglDeleteContext(m_context);
const int32_t contextAttrs[] =
{
#if 1
WGL_CONTEXT_MAJOR_VERSION_ARB, 2,
WGL_CONTEXT_MINOR_VERSION_ARB, 1,
#else
WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
WGL_CONTEXT_MINOR_VERSION_ARB, 2,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
#endif // 1
#if BGFX_CONFIG_DEBUG
WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_DEBUG_BIT_ARB,
#endif // BGFX_CONFIG_DEBUG
@ -188,12 +216,19 @@ namespace bgfx
};
m_context = wglCreateContextAttribsARB(m_hdc, 0, contextAttrs);
result = wglMakeCurrent(m_hdc, m_context);
BGFX_FATAL(0 != result, Fatal::UnableToInitialize, "wglMakeCurrent failed!");
}
#endif // 0
wglMakeCurrent(NULL, NULL);
wglDeleteContext(context);
DestroyWindow(hwnd);
if (NULL == m_context)
{
m_context = createContext(m_hdc);
}
int result = wglMakeCurrent(m_hdc, m_context);
BGFX_FATAL(0 != result, Fatal::UnableToInitialize, "wglMakeCurrent failed!");
import();
}

2
src/renderer_d3d11.cpp
View file

@ -2568,7 +2568,7 @@ namespace bgfx
tvm.clear();
uint16_t pos = 10;
tvm.printf(0, 0, 0x8f, " " BGFX_RENDERER_NAME " ");
tvm.printf(0, 0, BGFX_CONFIG_DEBUG ? 0x89 : 0x8f, " " BGFX_RENDERER_NAME " ");
tvm.printf(10, pos++, 0x8e, " Frame: %7.3f, % 7.3f \x1f, % 7.3f \x1e [ms] / % 6.2f FPS"
, double(frameTime)*toMs
, double(min)*toMs

2
src/renderer_d3d9.cpp
View file

@ -2671,7 +2671,7 @@ namespace bgfx
tvm.clear();
uint16_t pos = 10;
tvm.printf(0, 0, 0x8f, " " BGFX_RENDERER_NAME " ");
tvm.printf(0, 0, BGFX_CONFIG_DEBUG ? 0x89 : 0x8f, " " BGFX_RENDERER_NAME " ");
tvm.printf(10, pos++, 0x8e, " Frame: %7.3f, % 7.3f \x1f, % 7.3f \x1e [ms] / % 6.2f FPS"
, double(frameTime)*toMs
, double(min)*toMs

19
src/renderer_gl.cpp
View file

@ -117,12 +117,12 @@ namespace bgfx
static void GL_APIENTRY stubDrawArraysInstanced(GLenum _mode, GLint _first, GLsizei _count, GLsizei /*_primcount*/)
{
glDrawArrays(_mode, _first, _count);
GL_CHECK(glDrawArrays(_mode, _first, _count) );
}
static void GL_APIENTRY stubDrawElementsInstanced(GLenum _mode, GLsizei _count, GLenum _type, const GLvoid* _indices, GLsizei /*_primcount*/)
{
glDrawElements(_mode, _count, _type, _indices);
GL_CHECK(glDrawElements(_mode, _count, _type, _indices) );
}
#if BGFX_CONFIG_RENDERER_OPENGLES3
@ -1404,7 +1404,7 @@ namespace bgfx
if (0 != (_flags & (BGFX_TEXTURE_MIN_ANISOTROPIC|BGFX_TEXTURE_MAG_ANISOTROPIC) )
&& 0.0f < s_renderCtx.m_maxAnisotropy)
{
glTexParameterf(m_target, GL_TEXTURE_MAX_ANISOTROPY_EXT, s_renderCtx.m_maxAnisotropy);
GL_CHECK(glTexParameterf(m_target, GL_TEXTURE_MAX_ANISOTROPY_EXT, s_renderCtx.m_maxAnisotropy) );
}
GL_CHECK(glBindTexture(m_target, 0) );
@ -1446,8 +1446,8 @@ namespace bgfx
GL_CHECK(glGenTextures(1, &m_id) );
BX_CHECK(0 != m_id, "Failed to generate texture id.");
GL_CHECK(glBindTexture(m_target, m_id) );
// glTexParameteri(m_target, GL_TEXTURE_COMPARE_MODE, GL_NONE);
// glTexParameteri(m_target, GL_DEPTH_TEXTURE_MODE, GL_NONE);
// GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_MODE, GL_NONE) );
// GL_CHECK(glTexParameteri(m_target, GL_DEPTH_TEXTURE_MODE, GL_NONE) );
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR) );
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE) );
@ -1941,11 +1941,12 @@ namespace bgfx
GL_GET(GL_MAX_RENDERBUFFER_SIZE, 1);
const char* version = (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION);
GL_CHECK(version = version); // check if error is generated by glGetString.
GL_CHECK(;); // check if error is generated by glGetString.
BX_TRACE("GLSL version: %s", version);
#endif // BGFX_CONFIG_DEBUG
const char* extensions = (const char*)glGetString(GL_EXTENSIONS);
GL_CHECK(;); // check if error is generated by glGetString.
if (NULL != extensions)
{
char name[1024];
@ -2026,13 +2027,13 @@ namespace bgfx
if (s_extension[Extension::EXT_texture_filter_anisotropic].m_supported)
{
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &s_renderCtx.m_maxAnisotropy);
GL_CHECK(glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &s_renderCtx.m_maxAnisotropy) );
}
#if BGFX_CONFIG_RENDERER_OPENGL|BGFX_CONFIG_RENDERER_OPENGLES3
if (s_extension[Extension::ARB_texture_multisample].m_supported)
{
glGetIntegerv(GL_MAX_SAMPLES, &s_renderCtx.m_maxMsaa);
GL_CHECK(glGetIntegerv(GL_MAX_SAMPLES, &s_renderCtx.m_maxMsaa) );
}
#endif // BGFX_CONFIG_RENDERER_OPENGL|BGFX_CONFIG_RENDERER_OPENGLES3
@ -2991,7 +2992,7 @@ namespace bgfx
tvm.clear();
uint16_t pos = 10;
tvm.printf(0, 0, 0x8f, " " BGFX_RENDERER_NAME " ");
tvm.printf(0, 0, BGFX_CONFIG_DEBUG ? 0x89 : 0x8f, " " BGFX_RENDERER_NAME " ");
tvm.printf(10, pos++, 0x8e, " Frame CPU: %7.3f, % 7.3f \x1f, % 7.3f \x1e [ms] / % 6.2f FPS"
, double(frameTime)*toMs
, double(min)*toMs